title: Magnetic interactions in molecules and highly correlated materials: physical content, analytical derivation, and rigorous extraction of magnetic Hamiltonians.
authors.affiliation: Laboratoire de Chimie et Physique Quantiques, Université de Toulouse 3 , 118 route de Narbonne, 31062 Toulouse, France.
authors.forename: Jean Paul
authors.initials: JP
authors.lastname: Malrieu
authors.forename: Rosa
authors.initials: R
authors.lastname: Caballol
authors.forename: Carmen J
authors.initials: CJ
authors.lastname: Calzado
authors.forename: Coen
authors.initials: C
authors.lastname: de Graaf
authors.forename: Nathalie
authors.initials: N
authors.lastname: Guihéry